Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Low slump Concrete [4]
Bridge Dimensions
Length: 18.6 m = 61.0 ft
Main Spans: 2 at 8.2 m = 26.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 10.4 m = 34.1 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Audubon County [009], Iowa [19]
Owned by State Highway Agency [01], DOT District: 4
1.1 MI. N OF Jct. SR F65
Condition
Deck: Fair [5]
Superstructure: Good [7]
Substructure: Fair [5]
Loading
Design: M 18 / H 20 [4]
Operating: 69 metric ton = 75.9 tons (Load Factor(LF) [1])
Inventory: 37.1 metric ton = 40.8 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present minimum criteria [6] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: March 2021 [0321] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.6 km = 1.0 mi
Traffic
ADT: 2450 (2019) and Trucks: 18%
Future ADT: 2450 (In 2041
)
